some arc_reclaim_needed stats

[jhell]

On 04/22/2010 17:14, Andriy Gapon wrote:
> on 21/04/2010 16:04 jhell said the following:
>> If these are not tunable values and serve a good purpose as a stat to be
>> added at some point, would they not be better in kstat.zfs.misc? rather
>> than vfs.zfs so they can be collected with the rest of the stats via
>> arc_summary.pl.
> 
> Yes, I agree.
> But right now no one seems to think that there is anything useful about these
> stats :-)
> 
>> Without seeing the thread "kstat.zfs.misc.arcstats.hash_collisions" I
>> had updated the arc_summary.pl script yesterday to include these under a
>> "ARC Misc" section in the output. Just a FYI in case it may be useful to
>> you or others.
> 
> BTW, it would be nice if hash table size (number of buckets) would be reported
> too.  But that's a kernel change, not arc_summary.
> 

Something like what is in r59 and in the download section ?

ARC Hash Breakdown:
	Elements Max:				129057
	Elements Current:		99.24%	128070
	Collisions:				251021
	Chain Max:				21
	Chains:					16326

;)

-- 

 jhell